Punching machine is a common tool and equipment in our industrial production. It is also the most scientific and practical tool. Now let's talk about the following three methods of mold updating. Replacement method of upper die: use (black) elastic opener to loosen the fixing bolt of upper die (silver white) to the left, slowly remove the upper die, replace the required upper die, and then tighten the upper die fixing bolt to the right with the elastic screwdriver. To replace the lower die, use a small hexagon spanner to loosen the screw for fixing the lower die to the left, and then push the lower die out from the bottom of the lower die with a finger or small tool from the bottom to the top. Replace the lower die matched with the upper die and tighten it with a small wrench. Note: 3. The lower die has the typing face up, not down. When replacing the mold, take down the upper die to replace the lower die. < br style = "list style type: none;" / > the above are several methods of die updating for punching machine, which is helpful for us to further understand punching machine. Welcome to have the demand of the majority of users to inquire.